Descent to Inner Space: Session 0. Get to know each other.

It started with a rumour. Then the rumour became a paper. Then a thousand papers. Then ten thousand. Across the galaxy, from the oldest universities on Veyrath Prime to research vaults buried beneath Ul Kharad, from orbital laboratories over Juun-Theta to deep-listening stations beyond Scyphos, scientists began publishing the same impossible conclusion at almost exactly the same time. There is another universe inside ours. Not beyond the edge of space. Not in some distant galaxy. Not behind a wormhole or across an unreachable void. It is folded beside reality, one dimension away. Nested within the known universe like a hidden chamber inside a tesseract. They called it Inner Space. The discovery spread through the Pansteller Assembly faster than any official bulletin could control. The net filled with theories, cults, frauds, doomsayers, frontier investors, scientific arguments, religious schisms, conspiracy feeds, and recruitment drives. On every Hub World, citizens watched, argued, panicked, celebrated, and wondered what it meant to live beside an entire universe they had never known was there. But the strangest part was not the discovery itself. The strangest part was that everyone discovered it at once. No single scientist made the breakthrough. No expedition brought back proof. No probe pierced the veil. Across countless worlds and species, separate research teams arrived at the same findings simultaneously, as if the knowledge had been placed into the galaxy by an unseen hand. What is Inner Space? How did its existence become known across the galaxy at the same moment? And if something lives there, why does it want us to find it? The answers may lie beyond the boundary of reality itself, in NGC 253, the Sculptor Galaxy. The Call from the Boundary Institute The message comes from The Panstellar Institute for Boundary Physics, better known across the Assembly as the Boundary Institute. The Institute is respected but obscure: a cautious, heavily peer-reviewed body concerned with theoretical dimensional physics, exotic transit mathematics, brane mechanics, and the outer limits of faster-than-light travel. Now it claims to have built something impossible. An experimental vessel system known as the 4Drive: a prototype engine designed not to cross space, but to descend sideways through it into Inner Space. The Institute is calling for volunteers. Not military volunteers. Not polished diplomats. Definitely not heroes. They need a crew willing to take the first step into a universe no one understands. The reward is five million creds, paid up front and held in trust for your chosen beneficiaries in the event you do not return. It is an absurd amount of money. It is also, everyone quietly agrees, probably not enough. Who You Are You are the crew of a ship of your choice: • You might be officers aboard an Assembly frigate, patrolling one of the uneasy interspecies border skirmishes the government prefers not to discuss. • You might be salvagers, holding your battered ship together with borrowed parts, bad decisions, and luck, scraping wreckage from the edges of the Galactic Lanes. • You might be explorers returning from months beyond the charted routes, used to silence, risk, and worlds that do not yet have names. • You might be pirates from an outlaw station hidden in the ice and darkness of an Oort cloud, waiting for the wrong mining convoy to pass too close. • You might be the crew of a luxury cruiser serving the galaxy’s elite, suddenly offered a way out of polished servitude and into history. You might be criminals, idealists, mercenaries, scientists, pilgrims, traders, refugees, diplomats, thrill-seekers, or fools. The Boundary Institute does not seem especially concerned with your past. It is much more interested in whether you are desperate, curious, capable, or reckless enough to say yes. The Premise Your crew has accepted the Boundary Institute’s offer. Your ship will be fitted with the experimental 4Drive and sent on the first crewed descent into Inner Space. Officially, your mission is to observe, map, record, and return. Unofficially, everyone knows the real mission is simpler: Go through. Find out what is waiting. Come back if you can.